diff --git a/src/main/nim/strawboss.nim b/src/main/nim/strawboss.nim
index 0dc9f30..bd36aa6 100644
--- a/src/main/nim/strawboss.nim
+++ b/src/main/nim/strawboss.nim
@@ -4,7 +4,7 @@ import strawbosspkg/configuration
 import strawbosspkg/core
 import strawbosspkg/server
 
-let SB_VER = "0.4.0"
+let SB_VER = "0.5.0"
 
 proc logProcOutput*(outMsg, errMsg: TaintedString, cmd: string) =
   let prefix = if cmd.len > 0: cmd & ": " else: ""
diff --git a/src/main/nim/strawbosspkg/configuration.nim b/src/main/nim/strawbosspkg/configuration.nim
index 843c30e..185158c 100644
--- a/src/main/nim/strawbosspkg/configuration.nim
+++ b/src/main/nim/strawbosspkg/configuration.nim
@@ -8,7 +8,7 @@ from strutils import parseEnum
 const ISO_TIME_FORMAT = "yyyy-MM-dd'T'HH:mm:sszzz"
 
 # Types
-#
+
 type
   BuildState* {.pure.} = enum
     complete, failed, queued, rejected, running, setup, stepComplete
diff --git a/src/test/nim/functional/tserver.nim b/src/test/nim/functional/tserver.nim
index 2fcce0c..0c0f1b2 100644
--- a/src/test/nim/functional/tserver.nim
+++ b/src/test/nim/functional/tserver.nim
@@ -142,6 +142,61 @@ suite "strawboss server":
       let status = loadBuildStatus(statusFile)
       check status.state == step[1]
 
+  test "run a build in docker":
+    let http = newAuthenticatedHttpClient(apibase, "bob@builder.com", "password")
+
+    # Run the "build-docker" step
+    var resp = http.post(apiBase & "/project/" & testProjName & "/step/build-docker/run/0.3.0")
+    check resp.status.startsWith("200")
+
+    let queuedRun = parseRun(parseJson(resp.body))
+    check queuedRun.status.state == BuildState.queued
+
+    # Wait for the build to complete
+    let completedRun = http.waitForBuild(apiBase, testProjName, $queuedRun.id)
+
+    # check that the run directory, run request, status, and output logs exist
+    let runsDir = tempBuildDataDir & "/" & testProjName & "/runs"
+    let runId = $completedRun.id
+    check existsDir(runsDir)
+    for suffix in [".request.json", ".status.json", ".stdout.log", ".stderr.log"]:
+      check existsFile(runsDir & "/" & runId & suffix)
+
+    # check that the project directory has been created in the artifacts repo
+    let runArtifactsDir = tempBuildDataDir & "/" & testProjName & "/artifacts/build-docker/0.3.0"
+    check existsDir(runArtifactsDir)
+
+    # check that the build step status file has been created
+    let statusFile = tempBuildDataDir & "/" & testProjName & "/status/build-docker/0.3.0.json"
+    check fileExists(statusFile)
+
+    # check that the status is complete
+    var status = loadBuildStatus(statusFile)
+    check status.state == BuildState.complete
+
+    # check that the artifacts we expect are present
+    let binFile = runArtifactsDir & "/test_project"
+    check existsFile(binFile)
+
+  test "run a multi-step docker-based build":
+    let http = newAuthenticatedHttpClient(apibase, "bob@builder.com", "password")
+
+    # Run the "test" step (depends on "build")
+    var resp = http.post(apiBase & "/project/" & testProjname & "/step/test-docker/run/0.3.0")
+    check resp.status.startsWith("200")
+
+    let queuedRun = parseRun(parseJson(resp.body))
+    let completedRun = http.waitForBuild(apiBase, testProjName, $queuedRun.id)
+
+    # there should be successful status files for both the build and test steps
+    for step in [("build-docker", BuildState.stepComplete), ("test-docker", BuildState.complete)]:
+      let statusFile = tempBuildDataDir & "/" & testProjName & "/status/" & step[0] & "/0.3.0.json"
+      check fileExists(statusFile)
+
+      let status = loadBuildStatus(statusFile)
+      check status.state == step[1]
+
+  # TODO
   #test "already completed steps should not be rebuilt":
   #  let http = newAuthenticatedHttpClient(apibase, "bob@builder.com", "password")
   #  let runArtifactsDir = tempBuildDataDir & "/" & testProjName & "/artifacts/build/0.2.1"
diff --git a/src/test/test-project.tar.gz b/src/test/test-project.tar.gz
index 3b531bd..ebf10e0 100644
Binary files a/src/test/test-project.tar.gz and b/src/test/test-project.tar.gz differ
diff --git a/strawboss.nimble b/strawboss.nimble
index 0dae540..f16dc22 100644
--- a/strawboss.nimble
+++ b/strawboss.nimble
@@ -1,7 +1,7 @@
 # Package
 
 bin           = @["strawboss"]
-version       = "0.4.0"
+version       = "0.5.0"
 author        = "Jonathan Bernard"
 description   = "My personal continious integration worker."
 license       = "MIT"